213398055446 has 16 divisors (see below), whose sum is σ = 327226798080. Its totient is φ = 104341393320.

The previous prime is 213398055433. The next prime is 213398055449. The reversal of 213398055446 is 644550893312.

It is a junction number, because it is equal to n+sod(n) for n = 213398055394 and 213398055403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213398055449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4711646 + ... + 4756721.

It is an arithmetic number, because the mean of its divisors is an integer number (20451674880).

Almost surely, 2^213398055446 is an apocalyptic number.

213398055446 is a deficient number, since it is larger than the sum of its proper divisors (113828742634).

213398055446 is a wasteful number, since it uses less digits than its factorization.

213398055446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468619.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 213398055446 in words is "two hundred thirteen billion, three hundred ninety-eight million, fifty-five thousand, four hundred forty-six".